The NRG Systems Class 1 anemometer is a ball-bearing version of the industry-leading NRG #40C anemometer and was designed in direct response to customer requests for Class 1A compliance to IEC-61400-12-1. Exceptional field testing results reinforce confidence in both reliability and repeatability of the data.

The revolutionary, patent-pending, dual shaft design protects the bearings from debris and common impact loads experienced in harsh climates, which further extends the life of the anemometer.

NRG Systems is the first company to obtain endorsement in the classification of an anemometer from Troels Pedersen of the DTU Wind Energy Department.

A MEASNET calibration certificate verifying the anemometer meets the standards and recommendations of the international Measuring Network of Wind Energy Institutes (MEASNET) is available through electronic download.

The NRG #40C Anemometer and NRG Class 1 Anemometer employ two (2) pulses per revolution. This Application Note demonstrates the two (2) pulse count per revolution design does not result in a bias in the mean wind speed nor its variance.

Have a question? Need help configuring and testing your NRG equipment? We're here to help. NRG Systems products come with five resources for technical support.

Product Documentation

Begin by reviewing the documentation we've prepared.

Read the manual: The answer to your question may be right there. Please help us to help you more effectively and read through your product's owner's manual first.

Application Notes or Reference Guide: Need more information about a specific product? Details about specific situations or settings can be found in the application notes.

Software Downloads: Just need to quickly check for a software update? This is the right place.

Check out the Knowledge Base: Find answers and solutions to common questions here. This is a constantly evolving database, so check it often for the latest and greatest information.

Forums

There's a good chance you're not the first person to have a specific question or issue. Check out our online Tech Forums where others like you go for answers. And if you feel you have something to offer, we welcome you to join in the discussion.

Search the Forums: Take a minute to search through our users forum. Often you'll find your question was answered before. If you don't find your answer, feel free to register and post your question.

Login to the Forums: Already a member of the forums? Welcome back!

Join the Forums: Ask questions, get answers and read suggestions from other customers on the NRG Tech Forums.

Warranty

If you have checked the documentation, forums, and Knowledge Base and are still having problems with your equipment purchased within the past two years, you will need to contact NRG for a RMA return authorization number to return a defective product. This is the quickest and easiest way to get you back to doing what you are trying to do, measure the wind. Please see NRG Warranty for warranty details and instructions.

Repair Service

If you should need to return an out-of-warranty item for repair, please contact NRG in order to obtain an RMA number. Detailed instructions for returning an item to NRG can be found in the document Returning_Repairs_to_NRG.pdf.

Contact Technical Support

If you've explored all of the above resources and still have questions, we have a crack team of professionals waiting to answer your call or email. We ask that you be sure to use the tools above before contacting us, and we will do our best to assist you.